Coverity: Pass parameters by reference.

chrome/browser/ui/views/extensions/extension_installed_bubble.h

Index: chrome/browser/ui/views/extensions/extension_installed_bubble.h
diff --git a/chrome/browser/ui/views/extensions/extension_installed_bubble.h b/chrome/browser/ui/views/extensions/extension_installed_bubble.h
index d29995d409b46dbc312f951695820b8da4fcf69b..be4aa30ee329657d1d6f39e8f99d392c3f83486e 100644
--- a/chrome/browser/ui/views/extensions/extension_installed_bubble.h
+++ b/chrome/browser/ui/views/extensions/extension_installed_bubble.h
@@ -45,14 +45,15 @@ class ExtensionInstalledBubble
   // the extension has loaded. |extension| is the installed extension. |browser|
   // is the browser window which will host the bubble. |icon| is the install
   // icon of the extension.
-  static void Show(const Extension* extension, Browser *browser, SkBitmap icon);
+  static void Show(
+      const Extension* extension, Browser *browser, const SkBitmap& icon);
 
  private:
   friend class base::RefCountedThreadSafe<ExtensionInstalledBubble>;
 
   // Private ctor. Registers a listener for EXTENSION_LOADED.
-  ExtensionInstalledBubble(const Extension* extension, Browser *browser,
-                           SkBitmap icon);
+  ExtensionInstalledBubble(
+      const Extension* extension, Browser *browser, const SkBitmap& icon);
 
   virtual ~ExtensionInstalledBubble();